CN212304858U - Power-off switching circuit of medical equipment - Google Patents
Power-off switching circuit of medical equipment Download PDFInfo
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- CN212304858U CN212304858U CN202020546884.1U CN202020546884U CN212304858U CN 212304858 U CN212304858 U CN 212304858U CN 202020546884 U CN202020546884 U CN 202020546884U CN 212304858 U CN212304858 U CN 212304858U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to a medical field especially relates to a medical equipment's outage switching circuit. The utility model provides a can be for the medical equipment power supply when the outage, avoid causing the medical equipment's of medical accident outage switching circuit. The technical scheme is as follows: the power-off switching circuit of the medical equipment comprises a power grid, a power-off detection module, a multivibrator and the like; the power grid is connected with the power failure detection module, and the output end of the power failure detection module is connected with the multivibrator. The utility model supplies power to the medical equipment by the standby power supply when the power is cut off, so that the medical equipment can continue to work and medical accidents are avoided; through the effect of signal processing circuit and MCU, can make things convenient for people to know the condition.
Description
Technical Field
The utility model relates to a medical field especially relates to a medical equipment's outage switching circuit.
Background
The medical equipment is an instrument suitable for a human body and comprises professional medical equipment and common household medical equipment, the medical equipment is an important mark of the modernization degree, is a basic element of medical treatment, scientific research and teaching work and a basic condition for continuously improving the technical level of medical science, and the medical equipment stops running if accidental power failure occurs in the use process of the medical equipment, so that medical accidents are caused.
Therefore, it is particularly desirable to design a power-off switching circuit for medical equipment, which can supply power to the medical equipment when power is off, so as to avoid medical accidents.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that medical equipment stops running if unexpected power failure occurs in the using process of the medical equipment, so that medical accidents are caused, the technical problem is as follows: the power-off switching circuit of the medical equipment can supply power to the medical equipment when power is off, and medical accidents are avoided.
The technical scheme is as follows: medical equipment's outage switching circuit, including electric wire netting, outage detection module, multivibrator, speaker, battery, relay drive circuit and stand-by power supply, the electric wire netting is connected with outage detection module, outage detection module's output is connected with multivibrator, multivibrator is connected with the speaker, outage detection module's output is connected with relay drive circuit's input, relay drive circuit is connected with stand-by power supply, the battery is multivibrator and speaker power supply.
Optionally, the power failure detection module further comprises a signal processing circuit and an MCU, wherein the output end of the power failure detection module is connected with the input end of the signal processing circuit, and the signal processing circuit is connected with the MCU.
Optionally, the power failure detection module comprises NE555, photocoupler 4N25-U1, transistors Q1-Q3, capacitors C1-C3, resistors R1-R11, diode D1, electrolytic capacitor EC1, light emitting diode VD1 and a horn LS1, wherein pin 1 of the NE555 is grounded, pin 5 of the NE555 is grounded in series with capacitor C3, the series capacitor C2 of the NE555 is grounded, pin 6 of the NE555 is connected in series with resistor R8, resistor R9 and electrolytic capacitor EC1, pin 7 of the NE555 is connected to a node between resistor R8 and resistor R9, pin 8 of the NE555 is connected to a node between resistor R9 and electrolytic capacitor EC1, pin 3 of the NE555 is connected in series with resistor R11 and transistor Q3, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected to a resistor R10 and a light emitting diode 1, and the collector of the transistor Q3V 1 is connected to the anode of the horn LS 3V 1, the other end of the horn LS1 is connected with +5V, the anode series resistor R1 of the photocoupler 4N25-U1, the cathode series resistor R2 of the photocoupler 4N25-U1, the anode of the photocoupler 4N 2-U2 is connected with the cathode thereof in parallel with a diode D2, the emitter of the photocoupler 4N 2-U2 is grounded, the collector series resistor R2 of the photocoupler 4N 2-U2 and a transistor Q2, the other end of the resistor R2 is connected with +5V, the emitter of the transistor Q2 is grounded, the collector series capacitor C2 of the transistor Q2 is grounded, the resistor R2 is connected with the resistor R2 in series, the other end of the resistor R2 is grounded, the other end of the resistor R2 is connected with +5V, the collector of the transistor Q2 is connected with a node between the resistor R2 and the resistor R2, and the node of the resistor R2 of the transistor Q2 is connected with the resistor 2, the emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected in series with a resistor R7, the other end of the resistor R7 is connected with +5V, and the pin 4 of the NE555 is connected with the collector of the transistor Q2.
Optionally, the relay driving circuit includes a transistor Q4, resistors R14-R16, a diode D1, BT1, a light emitting diode VD2 and a relay RL1, the 4-pin of the NE555 is connected in series with the resistor R14 and the transistor Q4, the base of the transistor Q4 is connected in series with the resistor R15, the other end of the resistor R15 is grounded, the emitter of the transistor Q4 is grounded, the collector of the transistor Q4 is connected in series with the diode D2 and the relay RL1, the other ends of the diode D2 and the relay RL1 are both connected to +12V, the two ends of the diode D2 are connected in parallel with the resistor R16 and the light emitting diode VD2, and the resistor R16 is connected in series with the BT1 to be grounded.
Optionally, the signal processing circuit comprises a photoelectric coupler 4N25-U3 and a resistor R12-R13, a 4-pin series resistor R12 of the NE555 and a photoelectric coupler 4N25-U3, the cathode of the photoelectric coupler 4N25-U3 is grounded, the collector of the photoelectric coupler 4N25-U3 is coupled with +5V, and the emitter series resistor R13 of the photoelectric coupler 4N25-U3 is grounded.
The beneficial effects are that: the utility model supplies power to the medical equipment by the standby power supply when the power is cut off, so that the medical equipment can continue to work and medical accidents are avoided; through the effect of signal processing circuit and MCU, can make things convenient for people to know the condition.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
The meaning of the reference symbols in the figures: 1. the power supply system comprises a power grid, 2, a power failure detection module, 3, a multivibrator, 4, a loudspeaker, 5, a storage battery, 6, a relay drive circuit, 7, a standby power supply, 8, a signal processing circuit, 9 and an MCU.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Medical equipment's outage switching circuit, as shown in fig. 1, including electric wire netting 1, outage detection module 2, multivibrator 3, speaker 4, battery 5, relay drive circuit 6 and stand-by power supply 7, electric wire netting 1 is connected with outage detection module 2, outage detection module 2's output and multivibrator 3 are connected, multivibrator 3 is connected with speaker 4, outage detection module 2's output and relay drive circuit 6's input are connected, relay drive circuit 6 is connected with stand-by power supply 7, battery 5 is multivibrator 3 and the power supply of speaker 4.
Electric wire netting 1 is the medical equipment power supply, medical equipment normally works, outage detection module 2 can detect electric power of electric wire netting 1, when outage detection module 2 detects the outage, outage detection module 2 opens stand-by power supply 7 through relay drive circuit 6, stand-by power supply 7 is the medical equipment power supply, make medical equipment can continue work, avoid taking place the medical malpractice, battery 5 is multivibrator 3 and speaker 4 power supply, multivibrator 3 control speaker 4 makes sound, remind people electric wire netting 1 to have cut off the power supply, need in time to handle.
Example 2
The power-off switching circuit of the medical device, as shown in fig. 1, further includes a signal processing circuit 8 and an MCU9, the output end of the power-off detection module 2 is connected to the input end of the signal processing circuit 8, and the signal processing circuit 8 is connected to the MCU 9.
When outage detection module 2 detected the outage, outage detection module 2 was with signal input to signal processing circuit 8 in, signal processing circuit 8 changed the signal into data display on MCU9, made things convenient for people to know the condition.
Example 3
A power-off switching circuit of a medical device is disclosed, as shown in FIG. 2, the power-off detection module 2 comprises NE555, photocouplers 4N25-U1, transistors Q1-Q3, capacitors C1-C3, resistors R1-R11, a diode D1, an electrolytic capacitor EC1, a light-emitting diode VD1 and a horn LS1, wherein a 1 pin of the NE555 is grounded, a 5 pin of the NE555 is grounded, a series capacitor C3 of the NE555 is grounded, a series capacitor C2 of the NE555 is grounded, a 6 pin of the NE555 is connected in series with a resistor R8, a resistor R9 and an electrolytic capacitor EC 9, a 7 pin of the NE555 is connected with a node between the resistor R9 and the resistor R9, an 8 pin of the NE555 is connected with a node between the resistor R9 and the electrolytic capacitor EC 9, a 3 pin of the NE555 is connected in series with a resistor R9 and a transistor Q9, an emitter of the transistor Q9 is grounded, a collector of the transistor Q9 is connected in series with a light-emitting diode V9, and a light-emitting diode V, a collector of the transistor Q3 is connected in series with a horn LS1, the other end of the horn LS1 is connected with +5V, an anode series resistor R1 of the photocoupler 4N25-U1, a cathode series resistor R2 of the photocoupler 4N25-U1, an anode of the photocoupler 4N 25-U25 is connected with a cathode thereof in parallel with a diode D25, an emitter of the photocoupler 4N 25-U25 is grounded, a collector series resistor R25 of the photocoupler 4N 25-U25 and a transistor Q25, the other end of the resistor R25 is connected with +5V, an emitter of the transistor Q25 is grounded, a collector series capacitor C25 of the transistor Q25 is grounded, the resistor R25 is connected in series with a resistor R25 and a resistor R25, the other end of the resistor R25 is grounded, the other end of the resistor R25 is connected with +5V, and a node between the collector of the transistor Q25 and the resistor R25 is connected with the node of the resistor R36, the node between the resistor R5 and the resistor R6 of the triode Q2 is connected, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with the resistor R7 in series, the other end of the resistor R7 is connected with +5V, and the pin 4 of the NE555 is connected with the collector of the triode Q2.
The relay driving circuit 6 comprises a triode Q4, resistors R14-R16, a diode D1, a BT1, a light emitting diode VD2 and a relay RL1, a 4-pin series resistor R14 and a triode Q4 of the NE555, a base of the triode Q4 is connected with the resistor R15 in series, the other end of the resistor R15 is grounded, an emitter of the triode Q4 is grounded, a collector of the triode Q4 is respectively connected with the diode D2 and the relay RL1 in series, the other ends of the diode D2 and the relay RL1 are both connected with +12V, two ends of the diode D2 are connected with the resistor R16 and the light emitting diode VD2 in parallel, and the resistor R16 is connected with the BT1 in series.
The signal processing circuit 8 comprises a photoelectric coupler 4N25-U3 and resistors R12-R13, a 4-pin series resistor R12 of the NE555 and a photoelectric coupler 4N25-U3, the cathodes of the photoelectric couplers 4N25-U3 are grounded, the collectors of the photoelectric couplers 4N25-U3 are coupled with +5V, and the emitter series resistor R13 of the photoelectric couplers 4N25-U3 is grounded.
The electric wire netting 1 is the medical equipment power supply, medical equipment normally works, NE555 can detect the electric power of electric wire netting 1, when NE555 detects the outage, NE 555's 3 foot output low level, triode Q3 switches on, loudspeaker LS1 sounds, emitting diode VD1 lights, remind people that electric wire netting 1 has cut off the power supply, need in time to handle, NE 555's 4 foot output low level, photocoupler 4N25-U3 convert the signal into data display on MCU9, triode Q4 switches on, relay RL1 actuation, stand-by power supply 7 supplies power for medical equipment, make medical equipment can continue to work.
While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention. Accordingly, the scope of the present invention should be limited only by the attached claims.
Claims (5)
1. The power-off switching circuit of the medical equipment is characterized in that: including electric wire netting (1), outage detection module (2), multivibrator (3), speaker (4), battery (5), relay drive circuit (6) and stand-by power supply (7), electric wire netting (1) is connected with outage detection module (2), the output and the multivibrator (3) of outage detection module (2) are connected, multivibrator (3) are connected with speaker (4), the output and the input of relay drive circuit (6) of outage detection module (2) are connected, relay drive circuit (6) are connected with stand-by power supply (7), battery (5) are multivibrator (3) and speaker (4) power supply.
2. The power-off switching circuit of a medical apparatus according to claim 1, characterized in that: the power failure detection device is characterized by further comprising a signal processing circuit (8) and an MCU (9), wherein the output end of the power failure detection module (2) is connected with the input end of the signal processing circuit (8), and the signal processing circuit (8) is connected with the MCU (9).
3. The power-off switching circuit of a medical apparatus according to claim 2, characterized in that: the power failure detection module (2) comprises NE555, photocouplers 4N25-U1, triodes Q1-Q3, capacitors C1-C3, resistors R1-R11, a diode D1, an electrolytic capacitor EC1, a light emitting diode VD1 and a horn LS1, wherein a 1 pin of the NE555 is grounded, a 5 pin series capacitor C1 of the NE555 is grounded, a 6 pin series resistor R1, a resistor R1 and an electrolytic capacitor EC1 of the NE555 are connected in series, a 7 pin of the NE555 is connected with a node between the resistor R1 and the resistor R1, an 8 pin of the NE555 is connected with a node between the resistor R1 and the electrolytic capacitor EC1, a 3 pin series resistor R1 and the triode Q1 of the NE555 are connected in series, an emitter of the triode Q1 is grounded, a collector of the triode Q1 is connected with the series resistor R1 and the light emitting diode VD1, and a collector of the horn LS1, and a collector of the light emitting diode V1 are connected in series with a horn LS1, and a, the other end of the horn LS1 is connected with +5V, the anode series resistor R1 of the photocoupler 4N25-U1, the cathode series resistor R2 of the photocoupler 4N25-U1, the anode of the photocoupler 4N 2-U2 is connected with the cathode thereof in parallel with a diode D2, the emitter of the photocoupler 4N 2-U2 is grounded, the collector series resistor R2 of the photocoupler 4N 2-U2 and a transistor Q2, the other end of the resistor R2 is connected with +5V, the emitter of the transistor Q2 is grounded, the collector series capacitor C2 of the transistor Q2 is grounded, the resistor R2 is connected with the resistor R2 in series, the other end of the resistor R2 is grounded, the other end of the resistor R2 is connected with +5V, the collector of the transistor Q2 is connected with a node between the resistor R2 and the resistor R2, and the node of the resistor R2 of the transistor Q2 is connected with the resistor 2, the emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected in series with a resistor R7, the other end of the resistor R7 is connected with +5V, and the pin 4 of the NE555 is connected with the collector of the transistor Q2.
4. The power-off switching circuit of a medical device according to claim 3, wherein: the relay driving circuit (6) comprises a triode Q4, resistors R14-R16, a diode D1, a BT1, a light emitting diode VD2 and a relay RL1, a 4-pin series resistor R14 and a triode Q4 of the NE555, a base of the triode Q4 is connected with the resistor R15 in series, the other end of the resistor R15 is grounded, an emitter of the triode Q4 is grounded, a collector of the triode Q4 is connected with the diode D2 and the relay RL1 in series respectively, the other ends of the diode D2 and the relay RL1 are connected with +12V, two ends of the diode D2 are connected with the resistor R16 and the light emitting diode VD2 in parallel, and the resistor R16 is connected with the BT1 in series and grounded.
5. The power-off switching circuit of a medical apparatus according to claim 4, wherein: the signal processing circuit (8) comprises a photoelectric coupler 4N25-U3 and a resistor R12-R13, a 4-pin series resistor R12 of the NE555 and a photoelectric coupler 4N25-U3, the cathodes of the photoelectric couplers 4N25-U3 are grounded, the collectors of the photoelectric couplers 4N25-U3 are connected with +5V, and the emitter series resistor R13 of the photoelectric couplers 4N25-U3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020546884.1U CN212304858U (en) | 2020-04-14 | 2020-04-14 | Power-off switching circuit of medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020546884.1U CN212304858U (en) | 2020-04-14 | 2020-04-14 | Power-off switching circuit of medical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212304858U true CN212304858U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020546884.1U Expired - Fee Related CN212304858U (en) | 2020-04-14 | 2020-04-14 | Power-off switching circuit of medical equipment |
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| CN (1) | CN212304858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748690A (en) * | 2021-01-07 | 2021-05-04 | 朱丽萍 | Magnetic latching relay drive circuit for medical equipment |
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
-
2020
- 2020-04-14 CN CN202020546884.1U patent/CN212304858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748690A (en) * | 2021-01-07 | 2021-05-04 | 朱丽萍 | Magnetic latching relay drive circuit for medical equipment |
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |